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Developing multilayer barriers for flexible OLEDs

Technology News |
By eeNews Europe


The failure of flexible organic electronic devices occurs because air and moisture can easily permeate through the polymer substrates that support the devices. These oxidants can degrade light-emitting organics and/or lead to the oxidation of metal cathodes. Unfortunately, single inorganic films deposited onto polymers using sputtering or evaporation do not provide adequate gas diffusion barriers for FOLEDs and various other flexible electronic devices. To minimize permeation, Polymer ALDTM creates transparent inorganic thin ALD films on polymers and provides a gas diffusion barrier. Multilayer films consisting of separate flexible individual inorganic and organic layers can be employed to obtain extremely low, ultra-barrier performance.

The patented process of depositing ALD films on polymers will allow the company to improve barriers for a wide variety of market applications. The composition and thickness of the ALD films can also be customized to provide additional benefits such as protection from UV and space based environments.

Visit ALD NanoSolutions at www.aldnanosolutions.com

 


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